package com.psychologyCommunity.Community.aspect;

import org.aspectj.lang.JoinPoint;
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.annotation.Before;
import org.aspectj.lang.annotation.Pointcut;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Component;
import org.springframework.web.context.request.RequestContextHolder;
import org.springframework.web.context.request.ServletRequestAttributes;

import javax.servlet.http.HttpServletRequest;
import java.text.SimpleDateFormat;
import java.util.Date;

@Component
@Aspect
public class ServiceLogAspect {
    private static final Logger logger= LoggerFactory.getLogger(ServiceLogAspect.class);

    @Pointcut("execution(* com.psychologyCommunity.Community.service.*.*(..))")
    public void pointcut(){

    }
    @Before("pointcut()")
    public void before(JoinPoint joinPoint){
        //用户[1,2,3,4] ,在[***],访问了[com.psychologyCommunity.Community.service.**]
        ServletRequestAttributes attributes=(ServletRequestAttributes) RequestContextHolder.getRequestAttributes();
        if(attributes==null){
            return; //当attributes 为null的时候 就不做处理 ,防止空指针异常
        }
        HttpServletRequest request = attributes.getRequest();
        String ip = request.getRemoteHost();
        String nowTime = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(new Date());
        String target = joinPoint.getSignature().getDeclaringTypeName() + "." + joinPoint.getSignature().getName();
        logger.info(String.format("用户[%s],在[%s],访问了[%s].",ip,nowTime,target));
    }
}
